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Radius of Piston Cup Formula

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Radius of Piston Cup is defined as the radius of the piston cup that provides extra space on the piston top for fuel combustion. Check FAQs

R = 0.7 \cdot D i

R - Radius of Piston Cup?D_i - Diameter of Cylinder Bore?

Radius of Piston Cup Example

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Here is how the Radius of Piston Cup equation looks like with Values.

Here is how the Radius of Piston Cup equation looks like with Units.

Here is how the Radius of Piston Cup equation looks like.

126 = 0.7 \cdot 180

126mm = 0.7 \cdot 180mm

126 = 0.7 \cdot 180

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Radius of Piston Cup Solution

Follow our step by step solution on how to calculate Radius of Piston Cup?

FIRST Step Consider the formula

R = 0.7 \cdot D i

Next Step Substitute values of Variables

∴

R = 0.7 \cdot 180mm

Next Step Convert Units

∴

R = 0.7 \cdot 0.18m

Next Step Prepare to Evaluate

∴

R = 0.7 \cdot 0.18

Next Step Evaluate

∴

R = 0.126m

LAST Step Convert to Output's Unit

∴

R = 126mm

Radius of Piston Cup Formula Elements

Variables

Radius of Piston Cup

Radius of Piston Cup is defined as the radius of the piston cup that provides extra space on the piston top for fuel combustion.

Symbol: R

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Radius of Piston Cup

Diameter of Cylinder Bore

Diameter of Cylinder Bore is the internal surface diameter of an engine cylinder.

Symbol: D_i

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Diameter of Cylinder Bore

Other formulas in Piston Ribs and Cup category

Go Inner Diameter of Piston Pin

d i = 0.6 \cdot d o

Go Length of Piston Pin used in Connecting Rod

l 1 = 0.45 \cdot D i

Go Maximum Bending Moment on Piston Pin

M b = F P \cdot \frac{D i}{8}

Go Maximum Bending Stress in Piston Pin

σ max = 4 \cdot F P \cdot D i \cdot \frac{d o}{π \cdot ({d o}^{4} - {d i}^{4})}

How to Evaluate Radius of Piston Cup?

Radius of Piston Cup evaluator uses Radius of Piston Cup = 0.7*Diameter of Cylinder Bore to evaluate the Radius of Piston Cup, The Radius of Piston Cup is the radius of the circular end cross-section of the piston cup. Radius of Piston Cup is denoted by R symbol.

How to evaluate Radius of Piston Cup using this online evaluator? To use this online evaluator for Radius of Piston Cup, enter Diameter of Cylinder Bore (D_i) and hit the calculate button.

FAQs on Radius of Piston Cup

What is the formula to find Radius of Piston Cup?

The formula of Radius of Piston Cup is expressed as Radius of Piston Cup = 0.7*Diameter of Cylinder Bore. Here is an example- 126000 = 0.7*0.18.

How to calculate Radius of Piston Cup?

With Diameter of Cylinder Bore (D_i) we can find Radius of Piston Cup using the formula - Radius of Piston Cup = 0.7*Diameter of Cylinder Bore.

Can the Radius of Piston Cup be negative?

No, the Radius of Piston Cup, measured in Length cannot be negative.

Which unit is used to measure Radius of Piston Cup?

Radius of Piston Cup is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Radius of Piston Cup can be measured.

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